810147260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{30851}}^1$

素因数の和:30974

約数の個数: 48

約数和(自身を含む): 1850379552

約数和(自身を除く): 1040232292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 5252, 6565, 13130, 26260, 30851, 61702, 123404, 154255, 308510, 401063, 617020, 802126, 1604252, 2005315, 3115951, 4010630, 6231902, 8021260, 12463804, 15579755, 31159510, 40507363, 62319020, 81014726, 162029452, 202536815, 405073630, 810147260]

約数ペア:

[(1, 810147260), (2, 405073630), (4, 202536815), (5, 162029452), (10, 81014726), (13, 62319020), (20, 40507363), (26, 31159510), (52, 15579755), (65, 12463804), (101, 8021260), (130, 6231902), (202, 4010630), (260, 3115951), (404, 2005315), (505, 1604252), (1010, 802126), (1313, 617020), (2020, 401063), (2626, 308510), (5252, 154255), (6565, 123404), (13130, 61702), (26260, 30851)]